<!DOCTYPE html>
<html>
<head>
  <link rel="manifest" href="service_worker_on_second_load.json">
  <link rel="icon" href="basic-48.png">
</head>
<body>
  <h1>Service worker on second load</h1>
  <script>
    if (localStorage.getItem('seen')) {
      navigator.serviceWorker.register('/web_apps/service_worker.js');
    }
    localStorage.setItem('seen', true);
  </script>
</body>
</html>
